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Contact lens wearers experience more daytime dryness than those wearing none
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A decrease in comfort and subjective vision was significant for daytime contact lens wearers along with increases in dryness, grittiness and irritation versus non-contact lens wearers, according to a study in Optometry and Vision Science.
The study comprised 604 participants attending pre-screening visits at the Ocular Technology Group International research clinic; 60% of subjects were current soft contact lens wearers (hydrogel and silicone hydrogel), and 40% were non-contact lens wearers.
Researchers determined symptomatology status with the Ocular Surface Disease Index (OSDI) and found that 58% were symptomatic and 42% were symptomatic. Participants graded their comfort, vision and other symptoms during the day and in the evening.
A daytime decrease in comfort was significantly greater for contact lens wearers and symptomatic participants. Subjective vision also declined in contact lens wearers and symptomatic subjects, according to the researchers.
Contact lens wearers reported a significant increase in dryness, grittiness and irritation. Symptomatic subjects experienced an increase in grittiness, irritation and stinging during the day.
Researchers found a significant correlation between dryness and age, with the daytime increase in dryness greater for those participants younger than 40 years.
Researchers concluded that further study should target quantifying the comfort and vision at the end of the wearing day to gain information related to contact lens acceptance. – by Abigail Sutton
Disclosure: The authors reported no relevant financial disclosures.
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